SHOW REPORT: LIGHTFAIR INTERNATIONALLightfair shows latest in LEDsWere one to have walked into the Lightfair International (LFI) exhibit hall on May 12 with no prior knowledge about the event, the impression would have clearly been that the show was focused on LEDs. Indeed the event featured the latest LED technology ranging from LED chips to the latest in LED-based luminaires.

TECH VIEW: COLOR QUALITYSearch continues for replacement for Color Rendering IndexColor-rendering index (CRI) is widely used as a standard for assessing the color quality of white-light sources. However, due to various shortcomings with this 40-year-old metric, particularly with regard to white LEDs, various alternatives are being discussed and promoted.

LIGHTING CONTROLSAdaptive controls add to LED efficiencyLEDs may offer a path to more efficient lighting in many different applications, and adaptive control technology significantly stretches the efficiency gain, says MAURY WRIGHT.